Add a Norwegian language tag

Hello!

This should make it easier for people to find this embedding model.

- Tom Aarsen

README.md

@@ -26,6 +26,8 @@ widget:
   - Hun løper maraton
   example_title: Paraphrases across language
 license: apache-2.0
+language:
+- 'no'
 ---
 
 # NB-SBERT-BASE